UL 891 Certified certified

UL 891 Certified

Siemens Approved OEM certified

Siemens Approved OEM

EUSERC Approved certified

EUSERC Approved

Commercial Circuit Breaker Panels | Business-Grade Distribution

DEI Power's commercial circuit breaker panels and business-grade distribution equipment include panelboards, switchboards, switchgear, service entrance sections, remote power panels, and meter mains. Built with genuine Siemens components, UL 891 certified, and EUSERC approved, these systems serve commercial, industrial, utility, and data center applications across amperage ranges from 400A to 4000A.

1000 Amp Service Entrance Switchgear NEMA 1/3R
240V Switchgear NEMA 1/3R
1200 Amp SES NEMA 1/3R
400 Amp Service Entrance Switchgear NEMA 1/3R
1200 Amp Switchboard NEMA 1/3R
600 Amp Service Entrance Switchgear NEMA 1/3R
400 Amp Switchboard NEMA 1/3R
240/120V Switchboard NEMA 1/3R
400 Amp Panelboard NEMA 1/3R
600 Amp Switchboard NEMA 1/3R
1000 Amp Switchgear NEMA 1/3R
2000 Amp SES NEMA 1/3R
480V Meter Main NEMA 1/3R
4000 Amp SES NEMA 1/3R
4000 Amp Switchboard NEMA 1/3R
240/120V Service Entrance Switchgear NEMA 1/3R
Switchgear
240V Panelboard NEMA 1/3R
4000 Amp Switchgear NEMA 1/3R
3000 Amp Panelboard NEMA 1/3R
480V Service Entrance Switchgear NEMA 1/3R
1600 Amp SES NEMA 1/3R
480Y/277V Switchgear NEMA 1/3R
415/240V Meter Main NEMA 1/3R
480V Switchboard NEMA 1/3R
240/120V Panelboard NEMA 1/3R
480Y/277V SES NEMA 1/3R
2000 Amp Switchgear NEMA 1/3R
2500 Amp SES NEMA 1/3R
800 Amp Switchboard NEMA 1/3R
480V SES NEMA 1/3R
Remote Power Panels
1000 Amp Switchboard NEMA 1/3R
208Y/120V Service Entrance Switchgear NEMA 1/3R
4000 Amp Panelboard NEMA 1/3R
240V Meter Main NEMA 1/3R
2500 Amp Service Entrance Switchgear NEMA 1/3R
Remote Power Panels - 800A
1600 Amp Switchgear NEMA 1/3R
1600 Amp Panelboard NEMA 1/3R
Service Entrance Switchgear NEMA 1/3R
120/240V SES NEMA 1/3R
Meter Main NEMA 1/3R
240/120V Switchgear NEMA 1/3R
Remote Power Panels - 600A
Remote Power Panels
600 Amp Switchgear NEMA 1/3R
400 Amp SES NEMA 1/3R
800 Amp Panelboard NEMA 1/3R
2500 Amp Panelboard NEMA 1/3R
240V SES NEMA 1/3R
208Y/120V Panelboard NEMA 1/3R
2000 Amp Meter Main NEMA 1/3R
415/240V Switchgear NEMA 1/3R
480Y/277V Panelboard NEMA 1/3R
1200A Switchgear NEMA 1/3R
Switchboard NEMA 1/3R
480V Switchboard NEMA 1/3R
800 Amp SES NEMA 1/3R
4000 Amp Switchgear NEMA 1/3R
415/240V Service Entrance Switchgear NEMA 1/3R
2500 Amp Switchboard NEMA 1/3R
1000 Amp Panelboard NEMA 1/3R
2000 Amp Service Entrance Switchgear NEMA 1/3R
800 Amp Service Entrance Switchgear NEMA 1/3R
1200 Amp Service Entrance Switchgear NEMA 1/3R
4000 Amp Service Entrance Switchgear NEMA 1/3R
4000 Amp Meter Main NEMA 1/3R
2000 Amp Switchboard NEMA 1/3R
1600 Amp Switchboard NEMA 1/3R
800 Amp Switchgear NEMA 1/3R
3000 Amp Switchboard NEMA 1/3R
415/240V SES NEMA 1/3R
240V Service Entrance Switchgear NEMA 1/3R
1600 Amp Service Entrance Switchgear NEMA 1/3R
415/240V Switchboard NEMA 1/3R
480V Panelboard NEMA 1/3R
208Y/120V Switchgear NEMA 1/3R
3000 Amp Service Entrance Switchgear NEMA 1/3R
SES (Service Entrance Section)
480V Switchgear NEMA 1/3R
240V Switchboard NEMA 1/3R
Remote Power Panels - 1200A
1000 Amp SES NEMA 1/3R
415/240V Panelboard NEMA 1/3R
2500 Amp Switchgear NEMA 1/3R
600 Amp SES NEMA 1/3R
600 Amp Meter Main NEMA 1/3R
120/240V Panelboard NEMA 1/3R
480Y/277V Panelboard NEMA 1/3R
208Y/120V Switchboard NEMA 1/3R
3000 Amp SES NEMA 1/3R
2000 Amp Panelboard NEMA 1/3R
480Y/277V Switchboard NEMA 1/3R
3000 Amp Switchgear NEMA 1/3R
480Y/277V Service Entrance Switchgear NEMA 1/3R
Panelboard NEMA 1/3R
Remote Power Panels
240/120V SES NEMA 1/3R
1200 Amp Meter Main NEMA 1/3R

Our Range of Products

1000 Amp Service Entrance Switchgear NEMA 1/3R

1000 Amp Service Entrance Switchgear NEMA 1/3R

  • 1000A service entrance switchgear
  • NEMA 1 & 3R indoor/outdoor enclosures
  • UL 891 certified & EUSERC approved
240V Switchgear NEMA 1/3R

240V Switchgear NEMA 1/3R

  • 240V switchgear for commercial & industrial
  • NEMA 1 & 3R dual enclosure options
  • UL listed with seismic zone compliance
1200 Amp SES NEMA 1/3R

1200 Amp SES NEMA 1/3R

  • 1200A SES with multi-voltage flexibility
  • UL 891 Certified and EUSERC Approved
  • NEMA 1 indoor or NEMA 3R outdoor rated
400 Amp Service Entrance Switchgear NEMA 1/3R

400 Amp Service Entrance Switchgear NEMA 1/3R

  • 400A service entrance switchgear, UL listed
  • NEMA 1 & 3R enclosures for versatile sites
  • Genuine Siemens build, seismic compliant
1200 Amp Switchboard NEMA 1/3R

1200 Amp Switchboard NEMA 1/3R

  • 1200A capacity for demanding power systems
  • UL Listed and EUSERC Approved certified
  • NEMA 1 indoor or NEMA 3R outdoor rated
600 Amp Service Entrance Switchgear NEMA 1/3R

600 Amp Service Entrance Switchgear NEMA 1/3R

  • 600A service entrance, multi-voltage support
  • NEMA 1 & 3R for indoor or outdoor install
  • UL listed, EUSERC approved for compliance

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Frequently Asked Questions

How much does a commercial electrical panel cost?

Commercial electrical panel pricing varies based on product type, amperage, voltage configuration, and enclosure rating. Panelboards and service entrance sections from 400A to 4000A are available at DEI Power with pricing provided on request. Factors such as NEMA 1 vs. NEMA 3R enclosures, custom configurations, and quantity also affect cost. Contact DEI Power at (866) 773-8050 for a same-day quote tailored to your project specifications.

What is the difference between commercial and residential breakers?

What amperage ranges are available for commercial circuit breaker panels?

What voltage configurations are supported?

Are these panels available for outdoor installation?

What certifications do DEI Power's commercial panels carry?

How quickly can commercial panels ship?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Commercial Buildings & Campuses

Commercial Buildings & Campuses

Panelboards, switchboards, and SES provide reliable branch circuit distribution for office buildings, retail centers, and mixed-use campuses.

Data Centers & Colocation

Data Centers & Colocation

Remote power panels and switchgear deliver structured branch circuit distribution for hyperscale, enterprise, and colocation data center environments.

Industrial & Manufacturing

Industrial & Manufacturing

Heavy-duty switchgear and switchboards support large electrical load control and continuous operation in manufacturing and processing facilities.

Healthcare Facilities

Healthcare Facilities

UL 891-certified panelboards and remote power panels support life-safety branch loads, imaging equipment, and critical power systems in healthcare environments.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Commercial & Industrial Facilities Choose DEI Power

Fastest Lead Times in the Industry

In-house manufacturing at our 50,000 sq. ft. Ontario, CA facility means most orders ship within 1 business day — with 4–6 week lead times on built-to-order configurations.

Approved Siemens OEM Quality

Every product is built with genuine Siemens components under OEM authorization, delivering UL 891-certified, code-compliant power distribution you can specify with confidence.

USA-Manufactured, BABA Compliant

All switchgear and distribution equipment is manufactured and assembled in Ontario, California, meeting Buy America Build America requirements for government and infrastructure projects.

Get a Quote on Commercial Circuit Breaker Panels

Submit your project requirements and an DEI Power specialist will respond with pricing and technical guidance, typically same business day.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.